CN102038502B - 对在扩散加权的磁共振成像中的失真的校正 - Google Patents

对在扩散加权的磁共振成像中的失真的校正 Download PDF

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CN102038502B
CN102038502B CN201010511604.4A CN201010511604A CN102038502B CN 102038502 B CN102038502 B CN 102038502B CN 201010511604 A CN201010511604 A CN 201010511604A CN 102038502 B CN102038502 B CN 102038502B
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diffusion
image
weighted
shooting
reference picture
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CN102038502A (zh
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索斯藤·费韦尔
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Siemens Healthineers AG
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Siemens AG
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56341—Diffusion imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56554—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by acquiring plural, differently encoded echo signals after one RF excitation, e.g. correction for readout gradients of alternating polarity in EPI

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201010511604.4A 2009-10-14 2010-10-14 对在扩散加权的磁共振成像中的失真的校正 Active CN102038502B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009049402A DE102009049402B4 (de) 2009-10-14 2009-10-14 Korrektur von Verzerrungen bei der diffusionsgewichteten Magnetresonanzbildgebung
DE102009049402.2 2009-10-14

Publications (2)

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CN102038502A CN102038502A (zh) 2011-05-04
CN102038502B true CN102038502B (zh) 2014-12-17

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US (1) US8503752B2 (de)
CN (1) CN102038502B (de)
DE (1) DE102009049402B4 (de)

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DE102010001577B4 (de) * 2010-02-04 2012-03-08 Siemens Aktiengesellschaft Verfahren zur Reduktion von Verzerrungen in der Diffusionsbildgebung und Magnetresonanzanlage
DE102010013605B4 (de) 2010-03-31 2013-03-14 Siemens Aktiengesellschaft Reduktion von Verzerrungen in der MR-Diffusionsbildgebung
DE102010041125B4 (de) * 2010-09-21 2015-07-30 Siemens Aktiengesellschaft Räumliche Korrektur von Bilddaten einer Serie von Magnetresonanzaufnahmen
US9687172B2 (en) * 2012-01-24 2017-06-27 National Institute of Health (NIH), The United States of America, U.S. Dept. of Health and Human Services (DHHS) System for motion corrected MR diffusion imaging
WO2014052782A1 (en) * 2012-09-28 2014-04-03 Children's Medical Center Corporation Diffusion-weighted mri using multiple b-values and constant echo time
JP6371776B2 (ja) * 2012-12-12 2018-08-08 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴の拡散強調画像（ｄｗｉ）のための動作検出および修正方法
JP5946800B2 (ja) * 2013-07-22 2016-07-06 株式会社日立製作所 磁気共鳴イメージング装置、画像処理装置、画像処理方法、及び画像処理プログラム
CN104424386A (zh) * 2013-08-23 2015-03-18 北京大学 基于多参数磁共振影像的前列腺癌计算机辅助识别系统
US10317498B2 (en) 2013-09-20 2019-06-11 Children's Medical Center Corporation Methods and apparatus for modeling diffusion-weighted MR data acquired at multiple non-zero B-values
US9632162B2 (en) * 2013-12-06 2017-04-25 Toshiba Medical Systems Corporation Method of, and apparatus for, correcting distortion in medical images
CN106462972B (zh) * 2014-04-25 2020-09-11 通用电气公司 用于评估动态医疗图像中的运动校正的系统和方法
CN105989596B (zh) * 2015-02-12 2019-09-10 东芝医疗系统株式会社 医学图像处理装置和方法以及磁共振成像设备
CN107427257B (zh) * 2015-03-26 2021-07-13 皇家飞利浦有限公司 使用质子共振频率和t1测量的磁共振成像温度测定
JP6316330B2 (ja) * 2015-04-03 2018-04-25 コグネックス・コーポレーション ホモグラフィの修正
CN108885246B (zh) * 2015-12-09 2021-04-09 皇家飞利浦有限公司 用于生成高b值处的合成扩散图像的扩散MRI方法
DE102016202254B4 (de) * 2016-02-15 2017-11-30 Siemens Healthcare Gmbh Modellfreies Ermitteln von Bildbereichen mit anomaler Diffusion anhand von diffusionsgewichteten Magnetresonanzbilddaten
DE102016207910A1 (de) 2016-05-09 2017-11-09 Siemens Healthcare Gmbh Aufnahme von diffusionsgewichteten Magnetresonanzbilddaten mit anisotropen Diffusionsrichtungen
DE102017206853A1 (de) 2017-04-24 2018-10-25 Siemens Healthcare Gmbh Automatisches Füllen von Messwarteschlangen mit variierenden Bildgebungsparametern
DE102017215444B4 (de) * 2017-09-04 2020-01-23 Siemens Healthcare Gmbh Aufnahme von Trace-gewichteten Magnetresonanzbilddaten mit anisotropen Diffusionsrichtungen
ES2724599B2 (es) * 2018-03-06 2020-08-21 Servicio Andaluz De Salud Procedimiento de transformación de mapas ADC
WO2020198959A1 (en) * 2019-03-29 2020-10-08 Shanghai United Imaging Healthcare Co., Ltd. Method and system for diffusion magnetic resonance imaging
DE102020200786A1 (de) 2020-01-23 2021-07-29 Siemens Healthcare Gmbh Korrektur von verzerrten diffusionsgewichteten Magnetresonanzbilddaten
US20230169704A1 (en) * 2021-11-29 2023-06-01 Canon Medical Systems Corporation Advanced signal combination for improved overlapping image correction
CN114675221A (zh) * 2022-03-15 2022-06-28 武汉联影生命科学仪器有限公司 磁共振梯度校正补偿因子的确定方法、校正方法和装置

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GB0109892D0 (en) * 2001-04-20 2001-06-13 Secr Defence Method and apparatus for reducing the effects of motion in an image
JP4134187B2 (ja) * 2006-03-23 2008-08-13 ザイオソフト株式会社 拡散強調画像処理装置及び画像処理プログラム
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JP5575385B2 (ja) * 2007-11-02 2014-08-20 株式会社東芝 磁気共鳴イメージング装置
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Retrospective distortion correction for 3D MR diffusion tensor microscopy using mutual information and Fourier deformations;N.N. Mistry, E.W. Hsu;《Magnetic Resonance Medicine》;20061231;全文 *

Also Published As

Publication number Publication date
DE102009049402A1 (de) 2011-05-05
US8503752B2 (en) 2013-08-06
DE102009049402B4 (de) 2012-09-27
US20110085722A1 (en) 2011-04-14
CN102038502A (zh) 2011-05-04

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